Buffalo Bills safety Aaron Williams went through a series of tests on his neck and head area and was released from a hospital Sunday.
Williams was hurt after diving to make a tackle in a 40-32 loss to New England, landing his helmet on receiver Julian Edelman's back and having his head bounce off the turf.
Coach Rex Ryan said Williams was taken to the hospital for what he called a ''cervical precaution,'' then the team announced Williams was released from the hospital.
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Chicago Bears quarterback Jay Cutler left a 48-23 setback against Arizona with an injury. Cutler was stiff-armed while trying to make a tackle on an interception return and landed on his right shoulder, though the team said he left the game because of a hamstring injury.
San Francisco running back Carlos Hyde was taken out of a 43-18 loss at Pittsburgh because of a head injury, and 49ers coach Jim Tomsula later said the rookie was cleared after an evaluation for a concussion.
In other injury news:
- New York Giants cornerback Dominique Rodgers-Cromartie sustained a concussion after a second-half injury during a 24-20 loss to Atlanta.
- Philadelphia linebacker Kiko Alonso, who was acquired from Buffalo for LeSean McCoy, left the first half of a matchup with Dallas because of an injured left knee. He missed all of last season with a torn anterior cruciate ligament in the same knee.
- Houston right tackle Jeff Adams was carted off the field in the second quarter after trainers put an air cast on the right leg. Adams was engaged with Carolina defensive end Kony Ealy when his leg gave out and he fell to the ground in obvious pain. Teammates immediately yelled for the trainers and took a knee around him during the 24-17 loss at Carolina.
- Tennessee offensive guard Chance Warmack strained a knee ligament and is scheduled Monday for an MRI.
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